I think he refers to the browser extension of the same name.

He is also one of the Co founders of Palantir, quite a notorious company.

This was a 2021 comic, which I think was the time when companies had to comply with GDPR regulations. Cookies didn’t go away, but companies had to explicitly ask the user for consent to use them [or atleast can’t hide that they were using cookies]; usually in form of popups.